You are probably looking for the class Evaluator and its subclasses. The loops for evaluation is probably in evaluatePopulation() method of these classes. SimpleEvaluator is a good example. Just dwell deeper and you should find it. On Tue, Jul 29, 2014 at 1:29 PM, Márcio Basgalupp <[log in to unmask]> wrote: > Thanks, but there is no loop in the method evolve() of my > EvolutionState.java. > > public int evolve() > > throws InternalError, FileNotFoundException, IOException, > Exception { return R_NOTDONE; } > > > The same for SimpleEvolutionState.java > > > This loop (varying the children/individuals) is exactly what I'm looking > for. > > Best, > Márcio > > > > -------- > Prof. Dr. Márcio Porto Basgalupp > Instituto de Ciência e Tecnologia (ICT) > Universidade Federal de São Paulo (UNIFESP) > Tel: +55 12 3309-9582 > > > On Tue, Jul 29, 2014 at 12:23 PM, Eric 'Siggy' Scott <[log in to unmask]> > wrote: > > The post-evaluation stage is only for running statistics. > > > > Look in the evolve() method of your EvolutionState -- that has the > > high-level loop. You'll probably want to customize your Evaluator to > add a > > post-processing step, leaving the EvolutionState as is. > > > > Siggy > > > > > > On Tue, Jul 29, 2014 at 11:02 AM, Márcio Basgalupp <[log in to unmask]> > > wrote: > >> > >> Thank you Ye. > >> > >> That's true. > >> > >> But my question is: where (in the code) is this post-evaluation stage? > >> > >> Best, > >> Márcio > >> -------- > >> Prof. Dr. Márcio Porto Basgalupp > >> Instituto de Ciência e Tecnologia (ICT) > >> Universidade Federal de São Paulo (UNIFESP) > >> Tel: +55 12 3309-9582 > >> > >> > >> On Tue, Jul 29, 2014 at 11:40 AM, Xiaomeng Ye <[log in to unmask]> > >> wrote: > >> > It has been a while since I last used ECJ. I could be totally wrong. > >> > > >> > I remember there is a post-evaluation stage for each generation in the > >> > evolution. If I am going to divide all fitness values by the biggest > >> > one. I > >> > will do it in this post-evaluation stage. > >> > > >> > This post-evaluation stage is probably between the evaluation stage > >> > (where > >> > the fitness are calculated) and the breeding stage (where > >> > crossover/mutation > >> > happens). > >> > > >> > > >> > On Tue, Jul 29, 2014 at 10:18 AM, Márcio Basgalupp < > [log in to unmask]> > >> > wrote: > >> >> > >> >> Dear all, > >> >> > >> >> I'm using ECJ for implementing a GP based-program. After evaluating > >> >> (compute fitness) all individuals, I would like to "update" these > >> >> fitness values (for example, divide all fitness values by the biggest > >> >> one). However, I couldn't find where (which class) I have to do that. > >> >> It should be where ECJ calls the method evaluate() for each > >> >> individual, then I could update before proceeding to the next steps > >> >> (select, genetic operators, ...). > >> >> > >> >> I would appreciate if someone help me. > >> >> > >> >> Best, > >> >> Márcio > >> >> > >> >> -------- > >> >> Prof. Dr. Márcio Porto Basgalupp > >> >> Instituto de Ciência e Tecnologia (ICT) > >> >> Universidade Federal de São Paulo (UNIFESP) > >> >> Tel: +55 12 3309-9582 > >> > > >> > > > > > > > > > > > -- > > > > Ph.D student in Computer Science > > George Mason University > > http://mason.gmu.edu/~escott8/ >